// Copyright 2018 The Flutter team. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('flutter demo'),
        ),
        body: Text("tabbar"),
        bottomNavigationBar: BottomNavigationBar(
            onTap: (int index) {
              print(index);
            },
            currentIndex: 1,
            items: [
              BottomNavigationBarItem(
                  icon: Icon(Icons.home), title: Text("首页")),
              BottomNavigationBarItem(
                  icon: Icon(Icons.category), title: Text("分类")),
              BottomNavigationBarItem(
                  icon: Icon(Icons.settings), title: Text("设置")),
            ]),
      ),
      theme: ThemeData(primarySwatch: Colors.yellow),
    );
  }
}

class Tabs extends StatefulWidget {
  Tabs({Key? key}) : super(key: key);

  @override
  State<Tabs> createState() => _TabsState();
}

class _TabsState extends State<Tabs> {
  @override
  Widget build(BuildContext context) {
    return Container();
  }
}
